tinba | 164edc0a1410db5fad0cc16e42f8b8b1db685ec6d704c577484fa4f8e2cd0814

Analysis

max time kernel
109s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2024 00:34

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General

Target

164edc0a1410db5fad0cc16e42f8b8b1db685ec6d704c577484fa4f8e2cd0814N.exe
Size

160KB
MD5

fc61c5bae78e746e76b80d925305ea20
SHA1

3f3b14e9e0f89a5f0563deeb82a2c5237dddf280
SHA256

164edc0a1410db5fad0cc16e42f8b8b1db685ec6d704c577484fa4f8e2cd0814
SHA512

5075bf261666ce18935a246e82474a5cafd2a08924f215fd71b7a7f389c6fda5be118cf9b20122088d7bb949ccc5bea132658258766c2f409081dda14b1b4dc2
SSDEEP

1536:5EY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:yY+4MiIkLZJNAQ9J6v

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\795044FB = "C:\\Users\\Admin\\AppData\\Roaming\\795044FB\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3612-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2124	2256	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	164edc0a1410db5fad0cc16e42f8b8b1db685ec6d704c577484fa4f8e2cd0814N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2256	winver.exe
2256	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2256	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3612 wrote to memory of 2256	3612	164edc0a1410db5fad0cc16e42f8b8b1db685ec6d704c577484fa4f8e2cd0814N.exe	83
PID 3612 wrote to memory of 2256	3612	164edc0a1410db5fad0cc16e42f8b8b1db685ec6d704c577484fa4f8e2cd0814N.exe	83
PID 3612 wrote to memory of 2256	3612	164edc0a1410db5fad0cc16e42f8b8b1db685ec6d704c577484fa4f8e2cd0814N.exe	83
PID 3612 wrote to memory of 2256	3612	164edc0a1410db5fad0cc16e42f8b8b1db685ec6d704c577484fa4f8e2cd0814N.exe	83
PID 2256 wrote to memory of 3452	2256	winver.exe	56
PID 2256 wrote to memory of 2876	2256	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2876

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3452
- C:\Users\Admin\AppData\Local\Temp\164edc0a1410db5fad0cc16e42f8b8b1db685ec6d704c577484fa4f8e2cd0814N.exe
  "C:\Users\Admin\AppData\Local\Temp\164edc0a1410db5fad0cc16e42f8b8b1db685ec6d704c577484fa4f8e2cd0814N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3612
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2256
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2256 -s 352
      4⤵
      Program crash
      PID:2124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2256 -ip 2256
1⤵
PID:3224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2256-5-0x0000000076F22000-0x0000000076F23000-memory.dmp

Filesize
4KB

Download
memory/2256-14-0x0000000000BC0000-0x0000000000BC6000-memory.dmp

Filesize
24KB

Download
memory/2256-11-0x0000000000BC0000-0x0000000000BC6000-memory.dmp

Filesize
24KB

Download
memory/2256-7-0x00007FFEBB870000-0x00007FFEBBA65000-memory.dmp

Filesize
2.0MB

Download
memory/2876-13-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/3452-2-0x0000000000E30000-0x0000000000E36000-memory.dmp

Filesize
24KB

Download
memory/3452-6-0x00007FFEBB90D000-0x00007FFEBB90E000-memory.dmp

Filesize
4KB

Download
memory/3452-3-0x0000000000E30000-0x0000000000E36000-memory.dmp

Filesize
24KB

Download
memory/3612-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/3612-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3612-9-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/3612-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3612-1-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download